Sep 17 12:37:21.863 INFO checking jrvidal/r5.rs against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 12:37:21.863 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 12:37:21.863 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-3/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 12:37:22.285 INFO blam! ca41810334fdd2c93fa5cccb90480c4bf87ce2f24fc1111036de65ce1ca8cf01
Sep 17 12:37:22.295 INFO running `"docker" "start" "-a" "ca41810334fdd2c93fa5cccb90480c4bf87ce2f24fc1111036de65ce1ca8cf01"`
Sep 17 12:37:23.943 INFO kablam! usermod: no changes
Sep 17 12:37:24.103 INFO kablam!     Checking quick-error v1.2.1
Sep 17 12:37:24.103 INFO kablam!     Checking gc v0.3.2
Sep 17 12:37:24.103 INFO kablam!     Checking atty v0.2.10
Sep 17 12:37:24.103 INFO kablam!    Compiling regex v1.0.0
Sep 17 12:37:24.103 INFO kablam!     Checking nix v0.5.1
Sep 17 12:37:24.935 INFO kablam!     Checking humantime v1.1.1
Sep 17 12:37:29.362 INFO kablam!     Checking env_logger v0.5.10
Sep 17 12:37:29.807 INFO kablam!     Checking rustyline v1.0.0
Sep 17 12:37:30.855 INFO kablam!     Checking r5rs v0.2.0 (/source)
Sep 17 12:37:31.491 INFO kablam! error: the trait bound `T: gc::Trace` is not satisfied
Sep 17 12:37:31.491 INFO kablam!  --> src/vm/gc.rs:2:24
Sep 17 12:37:31.491 INFO kablam!   |
Sep 17 12:37:31.491 INFO kablam! 2 | pub type GcShared<T> = Gc<GcCell<T>>;
Sep 17 12:37:31.491 INFO kablam!   |                        ^^^^^^^^^^^^^ the trait `gc::Trace` is not implemented for `T`
Sep 17 12:37:31.491 INFO kablam!   |
Sep 17 12:37:31.491 INFO kablam!   = note: #[deny(type_alias_missing_bounds)] on by default
Sep 17 12:37:31.491 INFO kablam!   = help: consider adding a `where T: gc::Trace` bound
Sep 17 12:37:31.491 INFO kablam!   = note: required because of the requirements on the impl of `gc::Trace` for `gc::GcCell<T>`
Sep 17 12:37:31.491 INFO kablam!   = help: missing bounds in type aliases were previously allowed
Sep 17 12:37:31.491 INFO kablam!   = help: this is a hard error in Rust 2018
Sep 17 12:37:31.491 INFO kablam! 
Sep 17 12:37:31.555 INFO kablam! error: aborting due to previous error
Sep 17 12:37:31.555 INFO kablam! 
Sep 17 12:37:31.564 INFO kablam! error: Could not compile `r5rs`.
Sep 17 12:37:31.565 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 17 12:37:31.699 INFO kablam! error: the trait bound `T: gc::Trace` is not satisfied
Sep 17 12:37:31.699 INFO kablam!  --> src/vm/gc.rs:2:24
Sep 17 12:37:31.699 INFO kablam!   |
Sep 17 12:37:31.699 INFO kablam! 2 | pub type GcShared<T> = Gc<GcCell<T>>;
Sep 17 12:37:31.699 INFO kablam!   |                        ^^^^^^^^^^^^^ the trait `gc::Trace` is not implemented for `T`
Sep 17 12:37:31.699 INFO kablam!   |
Sep 17 12:37:31.699 INFO kablam!   = note: #[deny(type_alias_missing_bounds)] on by default
Sep 17 12:37:31.699 INFO kablam!   = help: consider adding a `where T: gc::Trace` bound
Sep 17 12:37:31.699 INFO kablam!   = note: required because of the requirements on the impl of `gc::Trace` for `gc::GcCell<T>`
Sep 17 12:37:31.699 INFO kablam!   = help: missing bounds in type aliases were previously allowed
Sep 17 12:37:31.699 INFO kablam!   = help: this is a hard error in Rust 2018
Sep 17 12:37:31.699 INFO kablam! 
Sep 17 12:37:31.759 INFO kablam! error: aborting due to previous error
Sep 17 12:37:31.759 INFO kablam! 
Sep 17 12:37:31.771 INFO kablam! error: Could not compile `r5rs`.
Sep 17 12:37:31.771 INFO kablam! 
Sep 17 12:37:31.771 INFO kablam! To learn more, run the command again with --verbose.
Sep 17 12:37:31.783 INFO kablam! su: No module specific data is present
Sep 17 12:37:32.754 INFO running `"docker" "rm" "-f" "ca41810334fdd2c93fa5cccb90480c4bf87ce2f24fc1111036de65ce1ca8cf01"`
Sep 17 12:37:32.940 INFO blam! ca41810334fdd2c93fa5cccb90480c4bf87ce2f24fc1111036de65ce1ca8cf01